[INFO] crate flutter-engine 0.3.4 is already in cache [INFO] checking flutter-engine-0.3.4 against try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564 [INFO] extracting crate flutter-engine 0.3.4 into work/builds/worker-0/source [INFO] validating manifest of crates.io crate flutter-engine 0.3.4 on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate flutter-engine 0.3.4 [INFO] finished tweaking crates.io crate flutter-engine 0.3.4 [INFO] tweaked toml for crates.io crate flutter-engine 0.3.4 written to work/builds/worker-0/source/Cargo.toml [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7984f28da643ee073170971487e668b3049f7a51c5239b48f1a4e2aa7858603b [INFO] running `"docker" "start" "-a" "7984f28da643ee073170971487e668b3049f7a51c5239b48f1a4e2aa7858603b"` [INFO] [stderr] Compiling curl v0.4.24 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Checking unic-langid-impl v0.4.0 [INFO] [stderr] Compiling libnghttp2-sys v0.1.2 [INFO] [stderr] Compiling curl-sys v0.4.22 [INFO] [stderr] Checking glfw v0.28.0 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Checking unic-locale-impl v0.4.0 [INFO] [stderr] Checking unic-locale v0.4.2 [INFO] [stderr] Compiling flutter-download v0.3.0 [INFO] [stderr] Compiling flutter-engine-sys v0.3.4 [INFO] [stderr] error: failed to run custom build command for `flutter-engine-sys v0.3.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/flutter-engine-sys-c0b06f5b069b2704/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt' [INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt` [INFO] [stderr] Custom { kind: Other, error: "Internal rustfmt error" } [INFO] [stderr] thread 'main' panicked at 'Cannot get flutter engine version: InvalidFlutterRoot("output empty")', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x561f49fab6a4 - backtrace::backtrace::libunwind::trace::hbae50f2b991d86ef [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x561f49fab6a4 - backtrace::backtrace::trace_unsynchronized::h19bc23b015d2838f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x561f49fab6a4 - std::sys_common::backtrace::_print_fmt::he8cbf667081e4bf8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x561f49fab6a4 - ::fmt::ha849c2c1bcf100e7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x561f49fd1a9c - core::fmt::write::h603a714bd37b8e5c [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x561f49fa7b47 - std::io::Write::write_fmt::hb319166cf1de5561 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x561f49fadb95 - std::sys_common::backtrace::_print::hda0c59cff136ee92 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x561f49fadb95 - std::sys_common::backtrace::print::hea7aeb95cf61b134 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x561f49fadb95 - std::panicking::default_hook::{{closure}}::h4b10254e454f4b2c [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x561f49fad886 - std::panicking::default_hook::h6427597d12d4cbca [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x561f49fae295 - std::panicking::rust_panic_with_hook::hccceacbc62eab668 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x561f49fade32 - std::panicking::continue_panic_fmt::h8ea4922e4ade12b5 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x561f49fadd26 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:307 [INFO] [stderr] 13: 0x561f49fce50a - core::panicking::panic_fmt::h2cd22cf274c37798 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x561f49fce607 - core::result::unwrap_failed::h741ddd07f41ecb26 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x561f497b5692 - core::result::Result::expect::hb788c43ef72a5f31 [INFO] [stderr] at /rustc/8d67a66581ea5498d7ac03b8f88a478d8ec75cf0/src/libcore/result.rs:960 [INFO] [stderr] 16: 0x561f497b1b4b - build_script_build::main::hf841e9f89fee9df0 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flutter-engine-sys-0.3.4/build.rs:53 [INFO] [stderr] 17: 0x561f497add80 - std::rt::lang_start::{{closure}}::he5e7e03d086743b8 [INFO] [stderr] at /rustc/8d67a66581ea5498d7ac03b8f88a478d8ec75cf0/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x561f49fadcc3 - std::rt::lang_start_internal::{{closure}}::h5f591d8741fb1e64 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x561f49fadcc3 - std::panicking::try::do_call::hc3ebe742ad7d149e [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x561f49fb693a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x561f49fae84d - std::panicking::try::hc94f3a47ff9c6438 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x561f49fae84d - std::panic::catch_unwind::h702acac46b107571 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x561f49fae84d - std::rt::lang_start_internal::h011095b45ca4068d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x561f497add59 - std::rt::lang_start::he4be8d3f35526a84 [INFO] [stderr] at /rustc/8d67a66581ea5498d7ac03b8f88a478d8ec75cf0/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x561f497b2b5a - main [INFO] [stderr] 26: 0x7f88bb932b97 - __libc_start_main [INFO] [stderr] 27: 0x561f497aa6da - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "7984f28da643ee073170971487e668b3049f7a51c5239b48f1a4e2aa7858603b"` [INFO] running `"docker" "rm" "-f" "7984f28da643ee073170971487e668b3049f7a51c5239b48f1a4e2aa7858603b"` [INFO] [stdout] 7984f28da643ee073170971487e668b3049f7a51c5239b48f1a4e2aa7858603b